<template>
  <div>
    <!--面包屑导航区-->
    <el-breadcrumb separator-class="el-icon-arrow-right">
      <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
      <el-breadcrumb-item>用户管理</el-breadcrumb-item>
      <el-breadcrumb-item>用户列表</el-breadcrumb-item>
    </el-breadcrumb>
    <!--卡片视图区域-->

    <el-card>
      <!--搜索与添加取域-->
      <el-row :gutter="20">
        <el-col :span="9">
          <el-input
            placeholder="请输入内容"
            v-model="queryInfo.query"
            clearable
            @clear="getUserList">
            <el-button
              slot="append"
              icon="el-icon-search"
              @click="getUserList" >
              </el-button>
          </el-input>
        </el-col>
        <el-col :span="4">
          <el-button type="primary" @click="addDialogVisible=true">添加用户</el-button>
        </el-col>
      </el-row>

      <!--用户列表区域-->
      <el-table :data="userlist" border stripe>
        <el-table-column type="index"></el-table-column>
        <el-table-column label="姓名" prop="username"></el-table-column>
        <el-table-column label="邮箱" prop="email"></el-table-column>
        <el-table-column label="电话" prop="mobile"></el-table-column>
        <el-table-column label="角色" prop="role_name"></el-table-column>
        <el-table-column label="状态">
          <template slot-scope="scope">
            <el-switch
              v-model="scope.row.mg_state"
              @change="userStateChanged(scope.row)"
            >
            </el-switch>
          </template>
        </el-table-column>
        <el-table-column label="操作" width="180px">
          <template slot-scope="scope">
              <!--修改按钮-->
            <el-button
              type="primary"
              icon="el-icon-edit"
              size="mini" @click="showEditDialog(scope.row.id)"></el-button>
               <!--删除按钮-->
            <el-button
              type="danger"
              icon="el-icon-delete"
              size="mini" @click="removeUserById(scope.row.id)"
            ></el-button>
            <el-tooltip
              effect="dark"
              content="分配角色"
              placement="top"
              :enterable="false">
              <el-button
                type="warning"
                icon="el-icon-setting"
                size="mini" @click="setRole(scope.row)">
              </el-button>
            </el-tooltip>
          </template>
        </el-table-column>
      </el-table>

      <!--分页-->
      <el-pagination
        @size-change="handleSizeChange"
        @current-change="handleCurrentChange"
        :current-page="queryInfo.pagenum"
        :page-sizes="[1, 2, 5, 10]"
        :page-size="queryInfo.pagesize"
        layout="total, sizes, prev, pager, next, jumper"
        :total="total"
      >
      </el-pagination>
    </el-card>

    <!--添加用户的对话框-->
    <el-dialog
      title="添加用户"
      :visible.sync="addDialogVisible"
      width="50%" @close="addDialogClosed">
       <!--内容主体区域-->
      <el-form :model="addForm" :rules="addFormRules" ref="addFormRef" label-width="70px">
      <el-form-item label="用户名" prop="username">
      <el-input v-model="addForm.username"></el-input>
      </el-form-item>

      <el-form-item label="密码" prop="password">
      <el-input v-model="addForm.password"></el-input>
      </el-form-item>

      <el-form-item label="邮箱" prop="email">
      <el-input v-model="addForm.email"></el-input>
      </el-form-item>

      <el-form-item label="手机" prop="mobile">
      <el-input v-model="addForm.mobile"></el-input>
      </el-form-item>
      </el-form>
        <!--底部区域-->
      <span slot="footer" class="dialog-footer">
        <el-button @click="addDialogVisible = false">取 消</el-button>
        <el-button type="primary" @click="addUser">确 定</el-button>
      </span>
    </el-dialog>
     <!--修改用户的对话框-->
      <el-dialog
  title="修改用户"
  :visible.sync="editDialogVisible"
  width="50%" @close="editDialogClosed">
     <!--校验用户的对话框-->
     <el-form :model="editForm" :rules="editFormRules" ref="editFormRef" label-width="70px">
       <el-form-item label="用户名">
       <el-input v-model="editForm.username" disabled></el-input>
       </el-form-item>

       <el-form-item label="邮箱" prop="email">
       <el-input v-model="editForm.email"></el-input>
  </el-form-item>

  <el-form-item label="手机号" prop="mobile">
       <el-input v-model="editForm.mobile"></el-input>
  </el-form-item>
     </el-form>
  <span slot="footer" class="dialog-footer">
    <el-button @click="editDialogVisible = false">取 消</el-button>
    <el-button type="primary" @click="editUserInfo">确 定</el-button>
  </span>
     </el-dialog>
      <!--分配角色的对话框-->
    <el-dialog
  title="分配角色"
  :visible.sync="setRoleDialogVisiable"
  width="50%" @close="setRoleDialogClosed"
  >
  <div>
    <p>当前的用户：{{userInfo.username}}</p>
    <p>当前的角色：{{userInfo.role_name}}</p>
    <p>分配新角色
        <el-select v-model="selectedRoleId" placeholder="请选择">
   <el-option
      v-for="item in rolesList"
      :key="item.id"
      :label="item.roleName"
      :value="item.id">
    </el-option>
  </el-select>
    </p>
  </div>
  <span slot="footer" class="dialog-footer">
    <el-button @click="setRoleDialogVisiable = false">取 消</el-button>
    <el-button type="primary" @click="saveRoleInfo">确 定</el-button>
  </span>
</el-dialog>
  </div>
</template>
<script>
export default {
  data() {
        //验证邮箱的规则
          var checkEmail = (rule,value,cb) =>{
         const regEmail = /^([a-zA-Z]|[0-9])(\w|\-)+@[a-zA-Z0-9]+\.([a-zA-Z]{2,4})$/;
            if(regEmail.test(value)){
                //合法的邮箱
                return cb()
            }
            cb(new Error("请输入合法的邮箱"))
         }
         //验证手机号的校验规则
          var checkMobile=(rule,value,cb)=>{
              const regMobile = /^(0|86|17951)?(13[0-9]|15[012356789]|17[678]|18[0-9]|14[57])[0-9]{8}$/ 
            if (regMobile.test(value)) { 
                //合法的手机号码
                return cb() 
            }
            cb(new Error('请输入合法手机号')) 

          }
          
    return {
      //获取用户列表的参数对象
      queryInfo: {
        query: "",
        //当前的页数
        pagenum: 1,
        pagesize: 2,
      },
      userlist: [],
      total: 0,
      //控制添加用户对话框的显示与隐藏
      addDialogVisible:false,
      //添加用户的表单数据
      addForm:{
          username:'',
          password:'',
          email:'',
          mobile:''
      },
      //添加表单的验证规则对象
      addFormRules:{
          username:[
              { required: true, message: '请输入用户名', trigger: 'blur' },
              {min:3,max:10,message:'用户名的长度在3到10个字符之间',trigger:'blur'}
          ],
          password:[
              { required: true, message: '请输入密码', trigger: 'blur' },
              {min:6,max:15,message:'用户名的长度在6到15个字符之间',trigger:'blur'}
          ],
          email:[
              { required: true, message: '请输入邮箱', trigger: 'blur' },
              {validator:checkEmail, trigger: 'blur'}
          ],
          mobile:[
              { required: true, message: '请输入手机号码', trigger: 'blur' },
               {validator:checkMobile, trigger: 'blur'}
          ],
      },
      //控制修改用户对话框的显示与隐藏
      editDialogVisible:false,
      //查询到的用户信息对象
      editForm:{},
      //修改表单的验证规则
      editFormRules:{
           email:[
              { required: true, message: '请输入用户邮箱', trigger: 'blur' },
              {validator:checkEmail, trigger: 'blur'},
              {validator:checkEmail, trigger: 'blur'}
          ],  
           mobile:[
              { required: true, message: '请输入手机号码', trigger: 'blur' },
               {validator:checkMobile, trigger: 'blur'}
          ]
      },
      //控制分配角色对话框的显示与隐藏
      setRoleDialogVisiable:false,
      //需要被分配角色的用户信息
      userInfo:{},
      //所有角色的数据列表
     rolesList:[],
     //已经选中的角色id值
     selectedRoleId:''
    };
  },


  created() {
    this.getUserList();
  },


  methods: {
    async getUserList() {
      const { data: res } = await this.$http.get("users", {
        params: this.queryInfo,
      });
      if (res.meta.status !== 200) {
        return this.$message.error("获取列表失败");
      }
      this.userlist = res.data.users;
      this.total = res.data.total;
      console.log(res);
    },

    //监听pagesize改变的事件
    handleSizeChange(newSize) {
      // console.log(newSize)
      this.queryInfo.pagesize = newSize;
      this.getUserList();
    },
    //监听页码值改变的事件
    handleCurrentChange(newPage) {
      this.queryInfo.pagenum = newPage;
      this.getUserList();
    },
    //监听Switch开关状态的改变
    async userStateChanged(userinfo) {
      console.log(userinfo);
      const { data: res } = await this.$http.put(
        `users/${userinfo.id}/state/${userinfo.mg_state}`
      );
      if (res.meta.status !== 200) {
        userinfo.mg_state = !userinfo.mg_state;
        return this.$message.error("更新用户状态失败");
      }
      this.$message.success("更新用户状态成功");
    },
    //监听添加用户对话框的关闭事件
    addDialogClosed(){
        this.$refs.addFormRef.resetFields()
    },
    //点击按钮添加与校验
    addUser(){
        this.$refs.addFormRef.validate(async valid=>{
            if(!valid) return
            //可以发起用户的网络请求
           const {data:res}= await this.$http.post('users',this.addForm)
           if(res.meta.status!==201){
               this.$message.error('添加用户失败')
           }
           this.$message.success('添加用户成功')
           //隐藏添加用户的对话框
           this.addDialogVisible=false
           //重新获取用户的列表数据
           this.getUserList()
        })
    },
    //展示编辑用户的对话框
   async showEditDialog(id){
      const {data:res}= await this.$http.get('users/'+id)
      if(res.meta.status!==200){
          return this.$message.error("查询用户信息失败");
      }
       this.editForm=res.data
       this.editDialogVisible=true
    },
    //监听修改用户对话框的关闭事件
    editDialogClosed(){
        this.$refs.editFormRef.resetFields()
    },
    //修改用户信息提交
    editUserInfo(){
      this.$refs.editFormRef.validate(async valid=>{
          if(!valid) return
          //发起修改用户的信息请求
         const {data:res} =await this.$http.put('users/'+this.editForm.id,{
              email:this.editForm.email,
              mobile:this.editForm.mobile
          })
          if(res.meta.status!==200){
              return this.$message.error("更新用户状态失败")
          }
          //关闭对话框
          this.editDialogVisible=false
          this.getUserList()
          this.$message.success("更新用户状态成功");
      })
    },
    //根据id删除对应的用户信息
     async  removeUserById(id){
       //询问用户是否删除数据
       const confirmResult=await this.$confirm('此操作将永久删除该用户, 是否继续?', '提示', {
          confirmButtonText: '确定',
          cancelButtonText: '取消',
          type: 'warning'
        }).catch(err=>err)
      //如果用户确认删除,则返回字符串为confrim
      //如果用户取消了删除，则返回字符串为cancel
     // console.log(confirmResult)
     if(confirmResult!=='confirm'){
         return this.$message.info('已经取消删除')
     }
       const{data:res} =await this.$http.delete('users/'+id)
       if(res.meta.status!==200){
           return this.$message.error('删除用户失败')
       }
       this.$message.success('删除用户成功')
       //刷新用户列表
       this.getUserList()
    },
    //展示分配角色的对话框
    async setRole(userInfo){
      this.userInfo=userInfo
      //在展示对话框之前，获取所有的角色列表
      const {data:res}=await this.$http.get('roles')
      if(res.meta.status!==200){
        return this.$message.error('获取角色列表失败')
      }

      this.rolesList=res.data
      this.setRoleDialogVisiable=true
    },
    //点击按钮分配角色
   async  saveRoleInfo(){
   if(!this.selectedRoleId){
     return this.$message.error('请选择要分配的角色')
   }

    const {data:res}=await this.$http.put(`users/${this.userInfo.id}/role`,{
       rid:this.selectedRoleId
     })
      if(res.meta.status!==200){
           return this.$message.error('更新角色失败')
       }
        this.$message.success('更新角色成功')
         //刷新用户列表
       this.getUserList()
       this.setRoleDialogVisiable=false
    },
    //监听分配角色的关闭事件
    setRoleDialogClosed(){
      this.selectedRoleId=''
      this.userInfo={}
    }
  }
}
</script>

<style lang="less">
</style>
